6401876 has 12 divisors (see below), whose sum is σ = 12065172. Its totient is φ = 2954688.

The previous prime is 6401869. The next prime is 6401887. The reversal of 6401876 is 6781046.

It can be written as a sum of positive squares in 2 ways, for example, as 3511876 + 2890000 = 1874^2 + 1700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61505 + ... + 61608.

It is an arithmetic number, because the mean of its divisors is an integer number (1005431).

Almost surely, 2^6401876 is an apocalyptic number.

It is an amenable number.

6401876 is a deficient number, since it is larger than the sum of its proper divisors (5663296).

6401876 is a wasteful number, since it uses less digits than its factorization.

6401876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123130 (or 123128 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 6401876 is about 2530.1928780233. The cubic root of 6401876 is about 185.6816924486.

The spelling of 6401876 in words is "six million, four hundred one thousand, eight hundred seventy-six".